Why does above par mean good in normal speech, but bad in golf?

I understand the concept of par–you want to hit below par in golf, because you hit below average, and you want as few hits as possible. So, in golf, "above par" would mean that you didn't do well. Yet, in the real world, "above par" has turned into an idiom that means "better than average". I guess what I am asking about is the etymology of this phrase. Because somewhere along the way, someone must have messed up.

No related posts.

Related posts brought to you by Yet Another Related Posts Plugin.